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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/042/04/0319-0332

    • Keywords

       

      Multiple reflection; particle production; curved space time

    • Abstract

       

      The non-perturbative method, developed recently, of WKB approximation in complex time is applied to some known curved space time. Three cases namely (1) static in and out region, (2) non-static in and out region, (3) static in and non static out region are considered here. We find non-trivial particle production corresponding to the quantum vacuum definition of Castagnino and Mazzitelli.

    • Author Affiliations

       

      S Biswas1 J Guha1 N G Sarkar1

      1. Department of Physics, University of Kalyani, Kalyani - 741 235, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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